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Grade 250 Maraging Steel vs. R56401 Titanium

Grade 250 maraging steel belongs to the iron alloys classification, while R56401 titanium belongs to the titanium alloys. There are 23 material properties with values for both materials. Properties with values for just one material (11, in this case) are not shown.

For each property being compared, the top bar is grade 250 maraging steel and the bottom bar is R56401 titanium.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
110
Elongation at Break, % 7.3 to 17
9.1
Poisson's Ratio 0.3
0.32
Shear Modulus, GPa 75
40
Shear Strength, MPa 600 to 1060
560
Tensile Strength: Ultimate (UTS), MPa 970 to 1800
940
Tensile Strength: Yield (Proof), MPa 660 to 1740
850

Thermal Properties

Latent Heat of Fusion, J/g 270
410
Melting Completion (Liquidus), °C 1480
1610
Melting Onset (Solidus), °C 1430
1560
Specific Heat Capacity, J/kg-K 450
560
Thermal Expansion, µm/m-K 12
9.6

Otherwise Unclassified Properties

Base Metal Price, % relative 32
36
Density, g/cm3 8.2
4.5
Embodied Carbon, kg CO2/kg material 4.9
38
Embodied Energy, MJ/kg 65
610
Embodied Water, L/kg 140
200

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 130 to 150
83
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 23
35
Strength to Weight: Axial, points 33 to 61
59
Strength to Weight: Bending, points 26 to 40
48
Thermal Shock Resistance, points 29 to 54
67

Alloy Composition

Aluminum (Al), % 0.050 to 0.15
5.5 to 6.5
Boron (B), % 0 to 0.0030
0
Calcium (Ca), % 0 to 0.050
0
Carbon (C), % 0 to 0.030
0 to 0.080
Cobalt (Co), % 7.0 to 8.5
0
Hydrogen (H), % 0
0 to 0.012
Iron (Fe), % 66.3 to 71.1
0 to 0.25
Manganese (Mn), % 0 to 0.1
0
Molybdenum (Mo), % 4.6 to 5.2
0
Nickel (Ni), % 17 to 19
0
Nitrogen (N), % 0
0 to 0.050
Oxygen (O), % 0
0 to 0.13
Phosphorus (P), % 0 to 0.010
0
Silicon (Si), % 0 to 0.1
0
Sulfur (S), % 0 to 0.010
0
Titanium (Ti), % 0.3 to 0.5
88.5 to 91
Vanadium (V), % 0
3.5 to 4.5
Zirconium (Zr), % 0 to 0.020
0